Given: Which annotation should be used to remove warnings from compilation? A. @SuppressWarnings on the main and print methods B. @SuppressWarnings("unchecked") on main and @SafeVarargs on the print method C. @SuppressWarnings("rawtypes") on main and @SafeVarargs on the print method D.…
Given: jdeps -jdkinternals C:workspace4SimpleSecurityjarclasses.jar Which describes the expected output? A. jdeps lists the module dependencies and the package names of all referenced JDK internal APIs. If any are found, the suggested replacements are output in the console. B. jdeps outputs…
Given: List<String> longlist = List.of("Hello","World","Beat"); List<String> shortlist = new ArrayList<>(); Which code fragment correctly forms a short list of words containing the letter "e"? A. B. C. D.
Given the code fragment: Path source = Paths.get("/repo/a/a.txt"); Path destination = Paths.get("/repo"); Files.move(source, destination); // line 1 Files.delete (source); // line 2 Assuming the source file and destination folder exist, what Is the result? A. A java.nio.file.FileAlreadyExistsException is thrown on…
Given this enum declaration: Examine this code: System.out.println(Letter.values()[1]); What code should be written at line 5 for this code to print 200? A. public String toString() { return String.valueOf(ALPHA.v); } B. public String toString() { return String.valueOf(Letter.values()[1]); } C. public…
Which two statements independently compile? (Choose two.) A. List<? super Short> list = new ArrayList<Number>(); B. List<? super Number> list = new ArrayList<Integer>(); C. List<? extends Number> list = new ArrayList<Byte>(); D. List<? extends Number> list = new ArrayList<Object>(); E.…
Given: LocalDate d1 = LocalDate.of(1997,2,7); DateTimeFormatter dtf = DateTimeFormatter.ofPattern( /*insert code here*/ ); System.out.println(dtf.format (d1)); Which pattern formats the date as Friday 7th of February 1997? A. "eeee dd+"th of"+ MMM yyyy" B. "eeee dd’th of’ MMM yyyy" C. "eeee…
Given: and checkQuality(QUALITY.A); and Which code fragment can be inserted into the switch statement to print Best? A. QUALITY.A.ValueOf() B. A C. A.toString() D. QUALITY.A
Which interface in the java.util.function package can return a primitive type? A. ToDoubleFunction B. Supplier C. BiFunction D. LongConsumer
Given: What is the result? A. Orange Juice B. The compilation fails. C. Orange Juice Apple Pie Lemmon Ice Raspberry Tart D. The program prints nothing.